Self Priming Hose Jiggler 15/19mm Copper Connector For Siphon Self-priming Hose f54 Features: Use high-quality copper, strong and durable. Anti-corrosion, anti-acid and alkali, anti-fall, no cracking. Glass Marble Ball - unlike others that use a plastic ball that breaks down or becomes sticky over for time. No more need to suck liquids through your transfer hose and run the risk of getting the liquid in your mouth. Great for farms, home, auto, shop, marine, and industrial applications. Specifications: Material:Copper Type:15mm,19mm Length:Approx.62mm/2.44in,71mm/2.8in Net Weight:38-45g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Siphon Hose Connector